The CSIs unravel a workplace murder mystery when a hated receptionist is murdered.





Horatio and Delko must travel to Los Angeles when a secret from Jesse’s past may allow a killer to go free.





The CSIs solve the murder of a man who was killed in outer space.





Eric Delko returns to work on a case proving if a man on death-row is affirmatively innocent or not.





Natalia’s injury jeopardizes her and Ryan, meanwhile, a strange investigation where a man is chopped in half baffles the CSI’s.





A pop starlet bursts into flames during her concert thrusting the CSI’s to investigate the dark side of the pop star world.





Former CSI Eric Delko (Adam Rodriguez) returns, but not to help his onetime colleagues. Instead, he appears in court as an expert witness for the defense, a role that pits him against his former lab partners.





The CSIs investigate the death of a census worker, which leads to a high-speed car chase and an explosion that puts Ryan and Natalia in danger.





Horatio and his team investigate when deadly jellyfish are used as murder weapons. Meanwhile, a mysterious woman from Jesse’s past unexpectedly shows up.





The CSIs investigate a horrible car crash to discover who or what caused it. The probe reveals the darkest secrets of the drivers involved. The NBA’s Pau Gasol guest stars.